To successfully process this file type in JavaScript, you might require a suitable loader

Currently, I am facing an issue with my MVC application while trying to integrate Bootstrap 5 using Webpack. Despite attempting various workarounds with stage-0, stage-2, and stage-3, none have proven successful for me.

I suspect that the problem lies with the spread syntax (three dots), but even after applying the workaround, the issue persists.

Error Message:

ERROR in ./~/bootstrap/dist/js/bootstrap.esm.js
Module parse failed: C:\DO NOT DELETE\Projects\GIT_SourceCode\Brain.Web\node_modules\bootstrap\dist\js\bootstrap.esm.js 
Unexpected token (1242:15)
You may need an appropriate loader to handle this file type.
|
|   _getConfig(config) {
|     config = { ...Default$a,
|       ...Manipulator.getDataAttributes(this._element),
|       ...(typeof config === 'object' ? config : {})
 @ ./Content/js/site.js 5:0-19

ERROR in site-30927619780d53073ccb.min.js from UglifyJs
Unexpected token: name (BSTChart) [site-30927619780d53073ccb.min.js:107816,6]

ERROR in report-30927619780d53073ccb.min.js from UglifyJs
Unexpected token: name (BSTChart) [report-30927619780d53073ccb.min.js:106016,6]

Package.json

{
  "dependencies": {
    "inputmask": "^3.3.10"
  },
  "devDependencies": {
    // List of dependencies here...
  },
  "license": "MIT",
  "main": "index.js",
  "name": "brain",
  "scripts": {
    "build": "webpack",
    "build-prod": "webpack --config ./webpack.prod.config.js"
  },
  "version": "1.0.0"
}

webpack.config.js

const path = require('path');
// Rest of the webpack configuration

Answer №1

The solution that resolved the issue for me involved upgrading Webpack and adding the plugin

plugin-proposal-object-rest-spread
.

When upgrading Webpack, it's important to ensure that related plugins are also updated.

Package.json

{
  "dependencies": {
    "@babel/runtime": "7.5.2",
    "inputmask": "^3.3.10",
    "uglifyjs-webpack-plugin": "^2.2.0"
  },
  "devDependencies": {
    // List of dependencies here
  },
  "license": "MIT",
  "main": "index.js",
  "name": "brain",
  "scripts": {
    "build": "webpack",
    "build-prod": "webpack --config ./webpack.prod.config.js"
  },
  "version": "1.0.0"
}

webpack.config.js

// webpack configuration file content goes here

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